Kourtney Kardashian's son, Reign Disick, just put a years-long unfounded rumor to rest that Justin Bieber is his real father. However, fans are now expressing serious concern. In late March, Reign, 10—whom Kardashian shares with her ex,

Kourtney doesn’t give any heed to the reports that Justin is Reign’s father,” a source told Us Weekly. “She thinks it’s ridiculous and laughs that people online would

I guess he's breaking his silence? Kourtney Kardashian's son, Reign Disick, has responded to a rumor that Justin Bieber is his father. If you're thinking to yourself, "Um, isn't he, like ...